How to make different layers of mesh in circle z-axis by grouping different meshes?
Particle System





A Cylinder has a Particle System.  This ensures the circular pattern. Use multiple objects with particles systems, such as a plane.  The object which owns the particle system does not need to be rendered.  The yellow [brick] is duplicated along the vertices of the cylinder.  Settings are shown in the Particle Systems Panel in the image above.  You can see many tutorial videos on particle systems on various web sites.

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